/* ═══════════════════════════════════════════════════════════════════
   VEIL AI Chat — v2 · Glass-morphism · Modern UX
   ═══════════════════════════════════════════════════════════════════ */

/* ── Toggle orb ───────────────────────────────────────────────────── */
.chat-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--brand-gradient, linear-gradient(135deg, #2d7bb5, #2de8c8));
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(45,123,181,.3),
              0 0 40px rgba(45,232,200,.12);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans, Inter, system-ui, sans-serif);
  transition: transform .3s var(--ease-spring, cubic-bezier(.34,1.56,.64,1)),
              box-shadow .3s var(--ease, cubic-bezier(.4,0,.2,1)),
              opacity .2s;
  animation: orbPulse 4s ease-in-out infinite;
}
.chat-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 32px rgba(45,123,181,.4),
              0 0 60px rgba(45,232,200,.2);
  animation: none;
}
.chat-toggle:active { transform: scale(.95); }
.chat-toggle-logo {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: contain;
  flex-shrink: 0;
  transition: transform .4s var(--ease-spring, cubic-bezier(.34,1.56,.64,1));
  filter: drop-shadow(0 0 6px rgba(45,232,200,.3));
}
.chat-toggle:hover .chat-toggle-logo {
  transform: rotate(30deg) scale(1.08);
}
.chat-toggle.chat-toggle--open .chat-toggle-logo {
  transform: rotate(180deg) scale(.85);
  opacity: .7;
}
.chat-toggle.hidden { display: none; }

@keyframes orbPulse {
  0%, 100% { box-shadow: 0 4px 24px rgba(45,123,181,.25), 0 0 30px rgba(45,232,200,.08); }
  50% { box-shadow: 0 4px 24px rgba(45,123,181,.4), 0 0 50px rgba(45,232,200,.18); }
}

.chat-toggle-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  background: var(--danger, #f87171);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  border: 2px solid var(--bg, #0a0e14);
  pointer-events: none;
}
.chat-toggle-badge:empty { display: none; }

/* ── Chat window (glass panel) ────────────────────────────────────── */
.chat-window {
  position: fixed;
  bottom: 88px;
  right: 24px;
  width: 480px;
  max-width: calc(100vw - 48px);
  height: 640px;
  max-height: calc(100vh - 110px);
  background: rgba(14,18,25,.88);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid rgba(45,232,200,.1);
  border-radius: 16px;
  box-shadow: 0 16px 64px rgba(0,0,0,.55),
              0 0 0 1px rgba(255,255,255,.04) inset,
              0 0 40px rgba(45,123,181,.06);
  z-index: 9998;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-origin: bottom right;
  transition: transform .3s var(--ease-spring, cubic-bezier(.34,1.56,.64,1)),
              opacity .25s var(--ease, cubic-bezier(.4,0,.2,1)),
              inset .3s var(--ease, cubic-bezier(.4,0,.2,1)),
              width .3s var(--ease, cubic-bezier(.4,0,.2,1)),
              height .3s var(--ease, cubic-bezier(.4,0,.2,1)),
              max-width .3s, max-height .3s,
              border-radius .2s;
}
.chat-window.chat-hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(.92) translateY(12px);
}

/* ── Fullscreen ───────────────────────────────────────────────────── */
.chat-window.chat-fullscreen {
  inset: 12px;
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  bottom: 12px;
  right: 12px;
  border-radius: 16px;
  z-index: 10001;
  transform-origin: center center;
}

/* ── Resize handle (left edge) ────────────────────────────────────── */
.chat-resize-handle {
  position: absolute;
  left: 0;
  top: 40px;
  bottom: 40px;
  width: 5px;
  cursor: ew-resize;
  z-index: 5;
  border-radius: 0 3px 3px 0;
  transition: background .2s;
}
.chat-resize-handle:hover,
.chat-resize-handle:active {
  background: var(--accent, #2d7bb5);
}
.chat-fullscreen .chat-resize-handle { display: none; }

/* ── Header ───────────────────────────────────────────────────────── */
.chat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px 12px 18px;
  background: rgba(19,25,34,.7);
  border-bottom: 1px solid rgba(255,255,255,.06);
  flex-shrink: 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.chat-header-logo {
  width: 22px;
  height: 22px;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 0 4px rgba(45,232,200,.35));
  animation: headerLogoGlow 3s ease-in-out infinite;
}
@keyframes headerLogoGlow {
  0%, 100% { filter: drop-shadow(0 0 4px rgba(45,232,200,.25)); }
  50% { filter: drop-shadow(0 0 10px rgba(45,232,200,.5)); }
}
.chat-header-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text, #e4e8f0);
  font-family: var(--sans);
  letter-spacing: .3px;
}
.chat-header-spacer { flex: 1; }
.chat-header-status {
  font-size: 10px;
  color: var(--accent2, #2de8c8);
  background: rgba(45,232,200,.08);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(45,232,200,.12);
  font-weight: 500;
}
.chat-hdr-btn {
  background: none;
  border: none;
  color: var(--muted, #555d75);
  cursor: pointer;
  padding: 5px;
  border-radius: var(--radius-xs, 5px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color .15s, background .15s;
}
.chat-hdr-btn:hover {
  color: var(--text, #e4e8f0);
  background: rgba(255,255,255,.07);
}
.chat-hdr-btn svg { width: 15px; height: 15px; }

/* ── Context bar ──────────────────────────────────────────────────── */
.chat-context-bar {
  display: flex;
  gap: 6px;
  padding: 6px 14px;
  overflow-x: auto;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255,255,255,.04);
  background: rgba(19,25,34,.4);
  scrollbar-width: none;
}
.chat-context-bar::-webkit-scrollbar { display: none; }
.chat-context-bar:empty { display: none; }

.chat-ctx-pill {
  flex-shrink: 0;
  padding: 3px 10px;
  font-size: 10px;
  font-family: var(--sans);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  color: var(--text-secondary, #8b92a8);
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s;
}
.chat-ctx-pill:hover {
  border-color: var(--accent, #2d7bb5);
  color: var(--text, #e4e8f0);
  background: var(--accent-dim, rgba(45,123,181,.12));
}
.chat-ctx-pill--active {
  border-color: rgba(45,232,200,.2);
  color: var(--accent2, #2de8c8);
  background: rgba(45,232,200,.06);
}

/* ── Messages area ────────────────────────────────────────────────── */
.chat-messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 16px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  scrollbar-width: thin;
  scrollbar-color: rgba(85,93,117,.4) transparent;
}
.chat-messages::-webkit-scrollbar { width: 5px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(85,93,117,.4);
  border-radius: 3px;
}
.chat-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(85,93,117,.7);
}

/* ── Message wrapper ──────────────────────────────────────────────── */
.chat-msg-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  animation: msgIn .25s var(--ease-out, cubic-bezier(0,0,.2,1)) both;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.chat-msg-wrap.wrap-user { align-items: flex-end; }
.chat-msg-wrap.wrap-assistant { align-items: flex-start; }

.chat-msg-time {
  font-size: 9px;
  color: var(--muted, #555d75);
  padding: 0 4px;
  opacity: 0;
  transition: opacity .15s;
}
.chat-msg-wrap:hover .chat-msg-time { opacity: 1; }

/* ── Hover actions on assistant messages ───────────────────────────── */
.chat-msg-actions {
  display: none;
  gap: 2px;
  position: absolute;
  top: -8px;
  right: 4px;
  background: rgba(19,25,34,.95);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 6px;
  padding: 2px;
  box-shadow: 0 4px 16px rgba(0,0,0,.5);
  z-index: 2;
  backdrop-filter: blur(8px);
}
.chat-msg-wrap.wrap-assistant:hover .chat-msg-actions { display: flex; }

.chat-msg-act-btn {
  background: none;
  border: none;
  color: var(--muted, #555d75);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
  transition: all .12s;
}
.chat-msg-act-btn:hover {
  background: rgba(255,255,255,.08);
  color: var(--text, #e4e8f0);
}
.chat-msg-act-btn svg { width: 13px; height: 13px; }

/* ── Message bubbles ──────────────────────────────────────────────── */
.chat-msg {
  max-width: min(88%, 680px);
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
.chat-fullscreen .chat-msg {
  max-width: min(88%, 760px);
}
.chat-msg-user {
  background: linear-gradient(135deg, rgba(45,123,181,.85), rgba(45,185,200,.7));
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-msg-assistant {
  background: rgba(19,25,34,.65);
  color: var(--text, #e4e8f0);
  border-bottom-left-radius: 4px;
  border: 1px solid rgba(255,255,255,.06);
  overflow: visible;
  overflow-wrap: break-word;
}
.chat-msg-error {
  background: rgba(248,113,113,.08);
  color: var(--danger, #f87171);
  border: 1px solid rgba(248,113,113,.15);
  font-size: 12px;
  border-radius: 10px;
}

/* ── Markdown in assistant messages ───────────────────────────────── */
.chat-msg-assistant h3 {
  font-size: 14px;
  font-weight: 700;
  margin: 10px 0 4px;
  color: var(--text, #e4e8f0);
}
.chat-msg-assistant h4 {
  font-size: 13px;
  font-weight: 600;
  margin: 8px 0 3px;
  color: var(--text, #e4e8f0);
}
.chat-msg-assistant ul,
.chat-msg-assistant ol {
  margin: 4px 0;
  padding-left: 18px;
}
.chat-msg-assistant li {
  margin: 2px 0;
}
.chat-msg-assistant blockquote {
  margin: 6px 0;
  padding: 4px 12px;
  border-left: 3px solid var(--accent, #2d7bb5);
  background: rgba(45,123,181,.06);
  border-radius: 0 6px 6px 0;
  color: var(--text-secondary, #8b92a8);
}
.chat-msg-assistant strong { color: #fff; }
.chat-msg-assistant em { color: var(--accent2, #2de8c8); }
.chat-msg-assistant code {
  background: rgba(45,123,181,.15);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--mono);
}
.chat-msg-assistant a {
  color: var(--accent-bright, #3a9ad4);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Code blocks in messages ──────────────────────────────────────── */
.chat-code-wrap {
  margin: 8px -4px 4px;
  border-radius: 10px;
  overflow: visible;
  border: 1px solid rgba(255,255,255,.07);
  background: var(--bg, #0a0e14);
}
.chat-code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.05);
  font-size: 10px;
  font-family: var(--sans);
}
.chat-code-lang {
  color: var(--accent2, #2de8c8);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.chat-code-header-spacer { flex: 1; }
.chat-code-btn {
  background: none;
  border: none;
  color: var(--muted, #555d75);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-family: var(--sans);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all .12s;
  white-space: nowrap;
}
.chat-code-btn:hover {
  background: rgba(255,255,255,.08);
  color: var(--text, #e4e8f0);
}
.chat-code-btn svg { width: 12px; height: 12px; }
.chat-code-btn--success {
  color: var(--success, #34d399) !important;
}
.chat-code-body {
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
  color: var(--text, #e4e8f0);
  scrollbar-width: thin;
  scrollbar-color: rgba(85,93,117,.3) transparent;
  white-space: pre;
  tab-size: 2;
  border-radius: 0 0 10px 10px;
}
.chat-fullscreen .chat-code-body {
  max-height: 60vh;
}
.chat-code-body::-webkit-scrollbar { width: 4px; height: 4px; }
.chat-code-body::-webkit-scrollbar-thumb { background: rgba(85,93,117,.3); border-radius: 2px; }

/* basic syntax hints */
.chat-code-body .kw { color: var(--accent2, #2de8c8); }
.chat-code-body .str { color: #a5d6a7; }
.chat-code-body .cmt { color: var(--muted, #555d75); font-style: italic; }
.chat-code-body .num { color: #f0b27a; }

/* inline code — prevent nesting issues */
.chat-msg-assistant .chat-code-wrap code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

/* ── Tool call cards ──────────────────────────────────────────────── */
.chat-tool-card {
  align-self: flex-start;
  max-width: min(95%, 720px);
  width: 100%;
  background: rgba(19,25,34,.7);
  border: 1px solid rgba(255,255,255,.07);
  border-left: 3px solid var(--accent, #2d7bb5);
  border-radius: 10px;
  animation: cardIn .3s var(--ease-out) both;
  backdrop-filter: blur(8px);
}
.chat-fullscreen .chat-tool-card {
  max-width: min(95%, 800px);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.chat-tool-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(45,123,181,.08);
  font-size: 12px;
  color: var(--accent-bright, #3a9ad4);
  font-weight: 600;
  font-family: var(--sans);
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.chat-tool-header svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  stroke: currentColor;
}
.chat-tool-body {
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text, #e4e8f0);
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
.chat-tool-code {
  background: var(--bg, #0a0e14);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 6px 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-x: auto;
  max-height: 350px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(85,93,117,.3) transparent;
  word-wrap: break-word;
}
.chat-fullscreen .chat-tool-code {
  max-height: 50vh;
}
.chat-tool-code::-webkit-scrollbar { width: 4px; height: 4px; }
.chat-tool-code::-webkit-scrollbar-thumb { background: rgba(85,93,117,.3); border-radius: 2px; }

/* Diff blocks */
.chat-diff-before {
  background: rgba(248,113,113,.04);
  border-left: 3px solid rgba(248,113,113,.5);
}
.chat-diff-after {
  background: rgba(52,211,153,.04);
  border-left: 3px solid rgba(52,211,153,.5);
}
.chat-diff-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 4px;
  padding-left: 2px;
}
.chat-diff-label--before { color: var(--danger, #f87171); }
.chat-diff-label--after { color: var(--success, #34d399); }

.chat-tool-actions {
  padding: 8px 12px 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.chat-tool-btn {
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  color: var(--text, #e4e8f0);
  cursor: pointer;
  font-family: var(--sans);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all .15s;
}
.chat-tool-btn:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.15);
}
.chat-tool-btn svg { width: 13px; height: 13px; }
.chat-tool-btn-primary {
  background: var(--brand-gradient, linear-gradient(135deg, #2d7bb5, #2de8c8));
  color: #fff;
  border-color: transparent;
  font-weight: 600;
}
.chat-tool-btn-primary:hover {
  filter: brightness(1.12);
  transform: translateY(-1px);
  box-shadow: 0 2px 12px rgba(45,123,181,.3);
}
.chat-tool-btn--success {
  background: rgba(52,211,153,.15) !important;
  color: var(--success, #34d399) !important;
  border-color: rgba(52,211,153,.3) !important;
  cursor: default;
  pointer-events: none;
}

.chat-tag-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 11px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(45,232,200,.15);
  background: rgba(45,232,200,.06);
  color: var(--accent2, #2de8c8);
  cursor: pointer;
  transition: all .15s;
}
.chat-tag-btn:hover {
  background: rgba(45,232,200,.15);
  border-color: rgba(45,232,200,.3);
}
.chat-tag-btn--applied {
  background: rgba(52,211,153,.12);
  color: var(--success, #34d399);
  border-color: rgba(52,211,153,.3);
  cursor: default;
}

.chat-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.chat-choice-btn {
  padding: 6px 14px;
  font-size: 12px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  color: var(--text, #e4e8f0);
  cursor: pointer;
  font-family: var(--sans);
  transition: all .15s;
}
.chat-choice-btn:hover {
  border-color: var(--accent, #2d7bb5);
  background: var(--accent-dim, rgba(45,123,181,.12));
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(45,123,181,.15);
}
.chat-choice-btn--selected {
  border-color: var(--accent2, #2de8c8);
  background: rgba(45,232,200,.1);
  color: var(--accent2);
}
.chat-choice-btn--faded {
  opacity: .35;
  pointer-events: none;
}

/* Rule badge in explain_rule */
.chat-rule-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background: var(--accent-dim, rgba(45,123,181,.12));
  border: 1px solid rgba(45,123,181,.25);
  color: var(--accent-bright, #3a9ad4);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--mono);
}

/* ── Suggestions bar ──────────────────────────────────────────────── */
.chat-suggestions {
  display: flex;
  gap: 6px;
  padding: 8px 14px;
  overflow-x: auto;
  flex-shrink: 0;
  border-top: 1px solid rgba(255,255,255,.04);
  background: rgba(14,18,25,.5);
  scrollbar-width: none;
}
.chat-suggestions::-webkit-scrollbar { display: none; }
.chat-suggestions:empty { display: none; }

.chat-chip {
  flex-shrink: 0;
  padding: 5px 14px;
  font-size: 11px;
  font-family: var(--sans);
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid rgba(45,123,181,.2);
  background: rgba(45,123,181,.06);
  color: var(--accent-bright, #3a9ad4);
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s;
}
.chat-chip:hover {
  background: rgba(45,123,181,.15);
  border-color: var(--accent, #2d7bb5);
  color: #fff;
  transform: translateY(-1px);
}
.chat-chip-warn {
  border-color: rgba(251,191,36,.2);
  background: rgba(251,191,36,.06);
  color: var(--warn, #fbbf24);
}
.chat-chip-warn:hover {
  background: rgba(251,191,36,.15);
  border-color: var(--warn);
  color: #fff;
}
.chat-chip-danger {
  border-color: rgba(248,113,113,.2);
  background: rgba(248,113,113,.06);
  color: var(--danger, #f87171);
}
.chat-chip-danger:hover {
  background: rgba(248,113,113,.15);
  border-color: var(--danger);
  color: #fff;
}

/* ── Quick reply chips ────────────────────────────────────────────── */
.chat-quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding: 6px 0;
  align-self: flex-start;
  max-width: min(95%, 720px);
}

/* ── Input area ───────────────────────────────────────────────────── */
.chat-input-area {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid rgba(255,255,255,.05);
  background: rgba(19,25,34,.6);
  flex-shrink: 0;
  backdrop-filter: blur(10px);
}
.chat-input {
  flex: 1;
  resize: none;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  background: rgba(10,14,20,.6);
  color: var(--text, #e4e8f0);
  padding: 9px 14px;
  font-size: 13px;
  line-height: 1.4;
  min-height: 38px;
  max-height: 120px;
  font-family: var(--sans);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.chat-input:focus {
  border-color: rgba(45,123,181,.4);
  box-shadow: 0 0 0 3px rgba(45,123,181,.1);
}
.chat-input::placeholder {
  color: var(--muted, #555d75);
}

.chat-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: none;
  background: var(--brand-gradient, linear-gradient(135deg, #2d7bb5, #2de8c8));
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: opacity .15s, filter .15s, transform .15s;
}
.chat-send-btn:hover:not(:disabled) {
  filter: brightness(1.12);
  transform: translateY(-1px);
}
.chat-send-btn:disabled {
  opacity: .3;
  cursor: not-allowed;
  filter: grayscale(.5);
}
.chat-send-btn svg { width: 16px; height: 16px; }

/* Stop button variant */
.chat-send-btn--stop {
  background: rgba(248,113,113,.15);
  border: 1px solid rgba(248,113,113,.3);
}
.chat-send-btn--stop:hover:not(:disabled) {
  background: rgba(248,113,113,.25);
}
.chat-send-btn--stop svg {
  color: var(--danger, #f87171);
}

/* ── Typing indicator ─────────────────────────────────────────────── */
.chat-typing {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 10px 14px;
  background: rgba(19,25,34,.65);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  animation: msgIn .25s var(--ease-out) both;
}
.chat-typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent, #2d7bb5);
  animation: typingBounce 1.2s ease-in-out infinite;
}
.chat-typing-dot:nth-child(2) { animation-delay: .15s; }
.chat-typing-dot:nth-child(3) { animation-delay: .3s; }
@keyframes typingBounce {
  0%, 60%, 100% { opacity: .3; transform: translateY(0) scale(1); }
  30% { opacity: 1; transform: translateY(-4px) scale(1.15); }
}

/* ── Empty state ──────────────────────────────────────────────────── */
.chat-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  color: var(--text-secondary, #8b92a8);
  text-align: center;
  padding: 32px 24px;
  gap: 14px;
}
.chat-empty-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  animation: emptyFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 8px 24px rgba(45,123,181,.3))
          drop-shadow(0 0 12px rgba(45,232,200,.15));
}
@keyframes emptyFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.chat-empty-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text, #e4e8f0);
  letter-spacing: .2px;
}
.chat-empty-subtitle {
  font-size: 12px;
  line-height: 1.7;
  max-width: 300px;
  color: var(--muted, #555d75);
}
.chat-empty-chips {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
  max-width: 360px;
  width: 100%;
}
.chat-empty-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  font-size: 12px;
  font-family: var(--sans);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.06);
  background: rgba(255,255,255,.03);
  color: var(--text-secondary, #8b92a8);
  cursor: pointer;
  text-align: left;
  transition: all .15s;
}
.chat-empty-chip:hover {
  border-color: rgba(45,123,181,.3);
  background: rgba(45,123,181,.08);
  color: var(--text, #e4e8f0);
  transform: translateY(-1px);
}
.chat-empty-chip-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(45,123,181,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-bright, #3a9ad4);
}
.chat-empty-chip-icon svg {
  width: 14px;
  height: 14px;
}

/* Error context card (when fixing an error) */
.chat-error-ctx {
  align-self: flex-start;
  max-width: min(95%, 720px);
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(248,113,113,.06);
  border: 1px solid rgba(248,113,113,.15);
  border-left: 3px solid var(--danger, #f87171);
  font-size: 12px;
  line-height: 1.5;
  animation: cardIn .3s var(--ease-out) both;
}
.chat-error-ctx-code {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--danger, #f87171);
}
.chat-error-ctx-msg {
  color: var(--text, #e4e8f0);
  margin-top: 3px;
}
.chat-error-ctx-sev {
  display: inline-block;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-left: 6px;
}
.chat-error-ctx-sev--critical {
  background: rgba(248,113,113,.15);
  color: var(--danger, #f87171);
}
.chat-error-ctx-sev--major {
  background: rgba(251,191,36,.15);
  color: var(--warn, #fbbf24);
}

/* ── AI fix button in error modal ─────────────────────────────────── */
.btn-ai-fix {
  background: var(--accent-dim, rgba(45,123,181,.12));
  color: var(--accent, #2d7bb5);
  border: 1px solid rgba(45,123,181,.3);
}
.btn-ai-fix:hover {
  background: rgba(45,123,181,.22);
}

/* ── Autocomplete dropdown ────────────────────────────────────────── */
.dsl-autocomplete {
  position: absolute;
  z-index: 10000;
  background: rgba(19,25,34,.95);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  max-height: 200px;
  overflow-y: auto;
  min-width: 180px;
  scrollbar-width: thin;
  scrollbar-color: rgba(85,93,117,.3) transparent;
  padding: 4px;
}
.dsl-ac-item {
  padding: 6px 10px;
  font-size: 12px;
  font-family: var(--mono);
  cursor: pointer;
  color: var(--text, #e4e8f0);
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 6px;
  transition: background .1s;
}
.dsl-ac-item:hover, .dsl-ac-item.active {
  background: rgba(45,123,181,.2);
  color: #fff;
}
.dsl-ac-type {
  font-size: 10px;
  opacity: .5;
  margin-left: auto;
  font-family: var(--sans);
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 520px) {
  .chat-window {
    width: calc(100vw - 16px);
    right: 8px;
    bottom: 80px;
    height: calc(100vh - 96px);
    border-radius: 14px;
  }
  .chat-window.chat-fullscreen {
    inset: 0;
    border-radius: 0;
  }
  .chat-toggle {
    bottom: 16px;
    right: 16px;
    width: 48px;
    height: 48px;
  }
  .chat-empty-chips {
    grid-template-columns: 1fr;
  }
}